diff --git a/backend/requirements.txt b/backend/requirements.txt
index 38c85ae..9fd390c 100644
--- a/backend/requirements.txt
+++ b/backend/requirements.txt
@@ -4,4 +4,5 @@ sqlalchemy
 pydantic
 python-jose[cryptography]
 passlib[bcrypt]
+bcrypt==4.0.1
 python-multipart